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Eating out with a soy allergy
Soy is easy to spot in tofu and soy sauce and much harder to spot everywhere else: in bread, marinades, vegetable oil blends, mayonnaise, chocolate and countless processed ingredients restaurants buy in.
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What actually goes wrong
The obvious sources are East and Southeast Asian: soy sauce, miso, tofu, edamame, tempeh, teriyaki and hoisin. Those are easy to identify. The hard part is that soy appears in many processed ingredients — bread, buns, bouillon, salad dressings, mayonnaise, margarine, and soy lecithin in chocolate and baked goods.
Soybean oil is a special case. Highly refined soybean oil is often tolerated by people with soy allergy because the refining removes most of the protein, but cold-pressed or expeller-pressed soy oil is not, and allergists differ in their advice. This is a question for your own allergist.
Vegetarian and vegan restaurants are often harder rather than easier, because tofu, tempeh, soy milk and soy-based meat substitutes are central to many plant-based menus.
What to ask, and how
- Is there soy sauce in the marinade or sauce? — Including teriyaki, hoisin and many glazes.
- What oil do you fry in? — And whether it's refined — then check with your allergist.
- Is the bread or bun made with soy? — Many commercial breads include soy flour or lecithin.
- Is the dressing or mayo made in-house? — Bought-in versions often contain soy.
- Are meat substitutes soy-based? — At vegetarian and vegan restaurants.
Which cuisines make this easier
- Easier — Mexican (corn tortillas, grilled meat and salsas), Indian, Middle Eastern and Mediterranean, Ethiopian, Peruvian and Latin American grills, steakhouses — where soy is not a foundational ingredient. Simple grilled food with oil you've checked.
- Harder — Chinese, Japanese, Korean, Thai, Vietnamese and Indonesian cooking, where soy sauce or soy pastes are fundamental. Fast food and bakeries, where soy appears in bought-in ingredients. Many vegan restaurants.
How Savor Scout helps
Savor Scout reads menus and reviews for soy-free, allergy-aware and from-scratch kitchens, which narrows the field. Kitchens that cook from scratch are generally better able to tell you exactly what's in a dish.
What this does not do. Soy in bought-in breads, oils and sauces is not on any menu. Call ahead and ask specific questions.
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Cuisines worth reading up on
Mexican food, Indian food, Mediterranean food, steak
Situations where this comes up: where to eat with picky eaters, where to take the team for lunch, where to eat with a big group.
Related guides
- Eating out with a peanut or tree nut allergy
- Eating out with a sesame allergy
- Eating out gluten-free